4. demo

30. Multi-touch digitizers must appear to the OS as HID digitizers, and not as a mouse or other proprietary device.

32. For battery-operated devices, the requirements must be met whether the device is running on AC or battery power.

33. Sample rate: at least 50hz per finger. Resolution: At least 100ppi and at least display resolution.

34. For all fingers, if a contact is stationary, the reported position data must not change

35. Tracing a line, circle, or other pattern should produce data that is within 0.5mm of the expected data pattern and without interruption to the pattern.

36. The physical contact with the device and the position the device reports must be within 2mm of each other for all fingers applies whether each contact is stationary or in motion, and when multiple fingers make contact simultaneously or separately.

37. No data must be reported for locations where contact is not made.

41. tab-ext@microsoft.com

43. © 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.